Panasonic KX-T336 System Reference Manual page 843

F. Changing Date and Time
Description
Allows you to change the date and time.
Operation
Enter "Year", "Day", "Hour" and "Minute" directly
and select "Month", "Day of the Week", "AM/PM"
by pressing the space key.
For the input value, refer to the table below.
Assigning items
Year
Month
Day
Day of the week
Hour
Minute
Morning/Afternoon
Default
99 last two digits of the year
JAN JAN/FEB/MAR/APR/MAY/JUN/JUL/AUG/SEP/OCT/NOV/DEC
1 1 to 31 : day
FRI SUN/MON/TUE/WED/THU/FRI/SAT
12 1 to 12 : hour
00 00 to 59 : minute
AM AM : morning
PM : afternoon/evening
7-F-1
Selection of Value